Display panel and display device thereof

A display panel and a display device are provided. The display panel includes a display region, at least one notch, and a non-display region surrounding the display region. The display region includes an irregularly-shaped edge. The at least one notch is formed by recessing the irregularly-shaped edge toward an inside of the display region. The display panel also includes an array layer disposed on a side of a base substrate. The array layer includes at least one inorganic layer, the at least one inorganic layer including at least one protruded portion. In addition, the display panel includes a display function layer disposed on a side of the array layer away from the base substrate. Further, the display panel includes at least one blocking part formed in the non-display region. The at least one blocking part is disposed around the display region and around the display function layer.